1. -2 RT
2. 2 RT
3. RT
4. 1/2RT
RT
1. 250 k
2. 240 k
3. 275 k
4. 300 k
250 k
1. Zero
2. Standard molar enthalpy of combustion
3. The sum of standard molar enthalpies of formation of CO and O2
4. The standard molar enthalpy of combustion of carbon ( graphite)
The standard molar enthalpy of combustion of carbon ( graphite)
1. -3166.4 kJ
2. 3166.4 kJ
3. -395.8 kJ
4. 395.8 kJ
-395.8 kJ
1. Heat
2. Internal energy
3. Enthalpy
4. Entropy
Heat
1. ΔS=0
2. ΔG=0
3. ΔU=0
4. ΔP=0
ΔU=0
1. Jmol-1
2. JK-1mol-1
3. Jg-1
4. JK mol-1
JK-1mol-1
1. Decrease of entropy
2. Increase of enthalpy
3. Inc Decrease of free energy
4. Decrease of free energy
Decrease of free energy
1. The system is at equilibrium
2. CO2 will be formed spontaneously
3. CO2 will decompose spontaneously
4. The process is not possible.
CO2 will decompose spontaneously
1. Fusion
2. Sublimation
3. Combution
4. Vaporisation
Sublimation